180777880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1543}}^1$

素因数の和:1684

約数の個数: 64

約数和(自身を含む): 425217600

約数和(自身を除く): 244439720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 101, 116, 145, 202, 232, 290, 404, 505, 580, 808, 1010, 1160, 1543, 2020, 2929, 3086, 4040, 5858, 6172, 7715, 11716, 12344, 14645, 15430, 23432, 29290, 30860, 44747, 58580, 61720, 89494, 117160, 155843, 178988, 223735, 311686, 357976, 447470, 623372, 779215, 894940, 1246744, 1558430, 1789880, 3116860, 4519447, 6233720, 9038894, 18077788, 22597235, 36155576, 45194470, 90388940, 180777880]

約数ペア:

[(1, 180777880), (2, 90388940), (4, 45194470), (5, 36155576), (8, 22597235), (10, 18077788), (20, 9038894), (29, 6233720), (40, 4519447), (58, 3116860), (101, 1789880), (116, 1558430), (145, 1246744), (202, 894940), (232, 779215), (290, 623372), (404, 447470), (505, 357976), (580, 311686), (808, 223735), (1010, 178988), (1160, 155843), (1543, 117160), (2020, 89494), (2929, 61720), (3086, 58580), (4040, 44747), (5858, 30860), (6172, 29290), (7715, 23432), (11716, 15430), (12344, 14645)]